mirror of
https://github.com/django/django.git
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25f21bd237
Co-authored-by: Diederik van der Boor <vdboor@edoburu.nl> Co-authored-by: Nick Pope <nick.pope@flightdataservices.com>
408 lines
12 KiB
Python
408 lines
12 KiB
Python
import os
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import tempfile
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import uuid
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from django.contrib.contenttypes.fields import (
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GenericForeignKey, GenericRelation,
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)
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from django.contrib.contenttypes.models import ContentType
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from django.core.files.storage import FileSystemStorage
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from django.db import models
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from django.db.models.fields.files import ImageField, ImageFieldFile
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from django.db.models.fields.related import (
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ForeignKey, ForeignObject, ManyToManyField, OneToOneField,
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)
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from django.utils.translation import gettext_lazy as _
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try:
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from PIL import Image
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except ImportError:
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Image = None
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class Foo(models.Model):
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a = models.CharField(max_length=10)
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d = models.DecimalField(max_digits=5, decimal_places=3)
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def get_foo():
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return Foo.objects.get(id=1).pk
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class Bar(models.Model):
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b = models.CharField(max_length=10)
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a = models.ForeignKey(Foo, models.CASCADE, default=get_foo, related_name='bars')
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class Whiz(models.Model):
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CHOICES = (
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('Group 1', (
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(1, 'First'),
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(2, 'Second'),
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)
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),
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('Group 2', (
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(3, 'Third'),
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(4, 'Fourth'),
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)
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),
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(0, 'Other'),
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(5, _('translated')),
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)
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c = models.IntegerField(choices=CHOICES, null=True)
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class WhizDelayed(models.Model):
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c = models.IntegerField(choices=(), null=True)
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# Contrived way of adding choices later.
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WhizDelayed._meta.get_field('c').choices = Whiz.CHOICES
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class WhizIter(models.Model):
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c = models.IntegerField(choices=iter(Whiz.CHOICES), null=True)
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class WhizIterEmpty(models.Model):
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c = models.CharField(choices=iter(()), blank=True, max_length=1)
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class Choiceful(models.Model):
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no_choices = models.IntegerField(null=True)
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empty_choices = models.IntegerField(choices=(), null=True)
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with_choices = models.IntegerField(choices=[(1, 'A')], null=True)
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empty_choices_bool = models.BooleanField(choices=())
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empty_choices_text = models.TextField(choices=())
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class BigD(models.Model):
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d = models.DecimalField(max_digits=32, decimal_places=30)
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class FloatModel(models.Model):
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size = models.FloatField()
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class BigS(models.Model):
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s = models.SlugField(max_length=255)
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class UnicodeSlugField(models.Model):
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s = models.SlugField(max_length=255, allow_unicode=True)
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class AutoModel(models.Model):
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value = models.AutoField(primary_key=True)
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class BigAutoModel(models.Model):
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value = models.BigAutoField(primary_key=True)
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class SmallAutoModel(models.Model):
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value = models.SmallAutoField(primary_key=True)
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class SmallIntegerModel(models.Model):
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value = models.SmallIntegerField()
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class IntegerModel(models.Model):
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value = models.IntegerField()
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class BigIntegerModel(models.Model):
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value = models.BigIntegerField()
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null_value = models.BigIntegerField(null=True, blank=True)
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class PositiveSmallIntegerModel(models.Model):
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value = models.PositiveSmallIntegerField()
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class PositiveIntegerModel(models.Model):
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value = models.PositiveIntegerField()
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class Post(models.Model):
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title = models.CharField(max_length=100)
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body = models.TextField()
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class NullBooleanModel(models.Model):
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nbfield = models.BooleanField(null=True, blank=True)
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nbfield_old = models.NullBooleanField()
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class BooleanModel(models.Model):
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bfield = models.BooleanField()
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string = models.CharField(max_length=10, default='abc')
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class DateTimeModel(models.Model):
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d = models.DateField()
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dt = models.DateTimeField()
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t = models.TimeField()
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class DurationModel(models.Model):
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field = models.DurationField()
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class NullDurationModel(models.Model):
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field = models.DurationField(null=True)
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class PrimaryKeyCharModel(models.Model):
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string = models.CharField(max_length=10, primary_key=True)
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class FksToBooleans(models.Model):
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"""Model with FKs to models with {Null,}BooleanField's, #15040"""
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bf = models.ForeignKey(BooleanModel, models.CASCADE)
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nbf = models.ForeignKey(NullBooleanModel, models.CASCADE)
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class FkToChar(models.Model):
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"""Model with FK to a model with a CharField primary key, #19299"""
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out = models.ForeignKey(PrimaryKeyCharModel, models.CASCADE)
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class RenamedField(models.Model):
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modelname = models.IntegerField(name="fieldname", choices=((1, 'One'),))
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class VerboseNameField(models.Model):
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id = models.AutoField("verbose pk", primary_key=True)
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field1 = models.BigIntegerField("verbose field1")
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field2 = models.BooleanField("verbose field2", default=False)
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field3 = models.CharField("verbose field3", max_length=10)
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field4 = models.DateField("verbose field4")
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field5 = models.DateTimeField("verbose field5")
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field6 = models.DecimalField("verbose field6", max_digits=6, decimal_places=1)
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field7 = models.EmailField("verbose field7")
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field8 = models.FileField("verbose field8", upload_to="unused")
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field9 = models.FilePathField("verbose field9")
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field10 = models.FloatField("verbose field10")
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# Don't want to depend on Pillow in this test
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# field_image = models.ImageField("verbose field")
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field11 = models.IntegerField("verbose field11")
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field12 = models.GenericIPAddressField("verbose field12", protocol="ipv4")
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field13 = models.NullBooleanField("verbose field13")
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field14 = models.PositiveIntegerField("verbose field14")
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field15 = models.PositiveSmallIntegerField("verbose field15")
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field16 = models.SlugField("verbose field16")
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field17 = models.SmallIntegerField("verbose field17")
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field18 = models.TextField("verbose field18")
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field19 = models.TimeField("verbose field19")
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field20 = models.URLField("verbose field20")
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field21 = models.UUIDField("verbose field21")
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field22 = models.DurationField("verbose field22")
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class GenericIPAddress(models.Model):
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ip = models.GenericIPAddressField(null=True, protocol='ipv4')
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###############################################################################
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# These models aren't used in any test, just here to ensure they validate
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# successfully.
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# See ticket #16570.
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class DecimalLessThanOne(models.Model):
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d = models.DecimalField(max_digits=3, decimal_places=3)
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# See ticket #18389.
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class FieldClassAttributeModel(models.Model):
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field_class = models.CharField
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###############################################################################
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class DataModel(models.Model):
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short_data = models.BinaryField(max_length=10, default=b'\x08')
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data = models.BinaryField()
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###############################################################################
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# FileField
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class Document(models.Model):
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myfile = models.FileField(upload_to='unused', unique=True)
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###############################################################################
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# ImageField
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# If Pillow available, do these tests.
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if Image:
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class TestImageFieldFile(ImageFieldFile):
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"""
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Custom Field File class that records whether or not the underlying file
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was opened.
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"""
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def __init__(self, *args, **kwargs):
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self.was_opened = False
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super().__init__(*args, **kwargs)
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def open(self):
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self.was_opened = True
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super().open()
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class TestImageField(ImageField):
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attr_class = TestImageFieldFile
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# Set up a temp directory for file storage.
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temp_storage_dir = tempfile.mkdtemp()
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temp_storage = FileSystemStorage(temp_storage_dir)
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temp_upload_to_dir = os.path.join(temp_storage.location, 'tests')
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class Person(models.Model):
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"""
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Model that defines an ImageField with no dimension fields.
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"""
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name = models.CharField(max_length=50)
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mugshot = TestImageField(storage=temp_storage, upload_to='tests')
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class AbstractPersonWithHeight(models.Model):
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"""
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Abstract model that defines an ImageField with only one dimension field
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to make sure the dimension update is correctly run on concrete subclass
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instance post-initialization.
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"""
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mugshot = TestImageField(storage=temp_storage, upload_to='tests',
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height_field='mugshot_height')
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mugshot_height = models.PositiveSmallIntegerField()
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class Meta:
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abstract = True
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class PersonWithHeight(AbstractPersonWithHeight):
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"""
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Concrete model that subclass an abstract one with only on dimension
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field.
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"""
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name = models.CharField(max_length=50)
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class PersonWithHeightAndWidth(models.Model):
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"""
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Model that defines height and width fields after the ImageField.
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"""
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name = models.CharField(max_length=50)
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mugshot = TestImageField(storage=temp_storage, upload_to='tests',
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height_field='mugshot_height',
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width_field='mugshot_width')
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mugshot_height = models.PositiveSmallIntegerField()
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mugshot_width = models.PositiveSmallIntegerField()
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class PersonDimensionsFirst(models.Model):
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"""
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Model that defines height and width fields before the ImageField.
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"""
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name = models.CharField(max_length=50)
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mugshot_height = models.PositiveSmallIntegerField()
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mugshot_width = models.PositiveSmallIntegerField()
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mugshot = TestImageField(storage=temp_storage, upload_to='tests',
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height_field='mugshot_height',
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width_field='mugshot_width')
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class PersonTwoImages(models.Model):
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"""
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Model that:
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* Defines two ImageFields
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* Defines the height/width fields before the ImageFields
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* Has a nullable ImageField
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"""
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name = models.CharField(max_length=50)
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mugshot_height = models.PositiveSmallIntegerField()
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mugshot_width = models.PositiveSmallIntegerField()
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mugshot = TestImageField(storage=temp_storage, upload_to='tests',
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height_field='mugshot_height',
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width_field='mugshot_width')
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headshot_height = models.PositiveSmallIntegerField(
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blank=True, null=True)
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headshot_width = models.PositiveSmallIntegerField(
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blank=True, null=True)
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headshot = TestImageField(blank=True, null=True,
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storage=temp_storage, upload_to='tests',
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height_field='headshot_height',
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width_field='headshot_width')
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class AllFieldsModel(models.Model):
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big_integer = models.BigIntegerField()
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binary = models.BinaryField()
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boolean = models.BooleanField(default=False)
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char = models.CharField(max_length=10)
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date = models.DateField()
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datetime = models.DateTimeField()
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decimal = models.DecimalField(decimal_places=2, max_digits=2)
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duration = models.DurationField()
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email = models.EmailField()
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file_path = models.FilePathField()
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floatf = models.FloatField()
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integer = models.IntegerField()
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generic_ip = models.GenericIPAddressField()
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null_boolean = models.NullBooleanField()
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positive_integer = models.PositiveIntegerField()
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positive_small_integer = models.PositiveSmallIntegerField()
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slug = models.SlugField()
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small_integer = models.SmallIntegerField()
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text = models.TextField()
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time = models.TimeField()
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url = models.URLField()
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uuid = models.UUIDField()
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fo = ForeignObject(
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'self',
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on_delete=models.CASCADE,
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from_fields=['positive_integer'],
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to_fields=['id'],
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related_name='reverse'
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)
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fk = ForeignKey(
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'self',
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models.CASCADE,
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related_name='reverse2'
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)
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m2m = ManyToManyField('self')
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oto = OneToOneField('self', models.CASCADE)
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object_id = models.PositiveIntegerField()
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content_type = models.ForeignKey(ContentType, models.CASCADE)
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gfk = GenericForeignKey()
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gr = GenericRelation(DataModel)
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class ManyToMany(models.Model):
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m2m = models.ManyToManyField('self')
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###############################################################################
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class UUIDModel(models.Model):
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field = models.UUIDField()
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class NullableUUIDModel(models.Model):
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field = models.UUIDField(blank=True, null=True)
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class PrimaryKeyUUIDModel(models.Model):
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id = models.UUIDField(primary_key=True, default=uuid.uuid4)
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class RelatedToUUIDModel(models.Model):
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uuid_fk = models.ForeignKey('PrimaryKeyUUIDModel', models.CASCADE)
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class UUIDChild(PrimaryKeyUUIDModel):
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pass
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class UUIDGrandchild(UUIDChild):
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pass
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